Answer:
B
Explanation:
Took the test and got a A
:-)
The mutation in the sperm cell could be passed on to offspring, while the skin cell mutation could only affect the individual.
Answer:
tropic hormones
Explanation:
Anterior pituitary is the anterior lobe of the pituitary gland (hypophysis). It is also called the adenohypophysis. The secretions of the adenohypophysis are involved in the contol of many biological fuunctions: growth, stress, reproduction etc. Two major groups of hormones from the adenohypophysis are:
- Tropic hormones-regulate the secretion of hormones from other endocrine organs (Thyroid-stimulating hormone-TSH, Adrenocorticotropic hormone ACTH, Luteinizing hormone LH, Follicle-stimulating hormone-FSH)
- Trophic hormones-regulate the growth (TSH-stimulates the growth of thyroid gland and ACTH which stimulates the growth of the adrenal cortex).
Answer: Option D) there are no holes for blood to enter or leave the system
The human cardiovascular system is considered closed because there are no holes for blood to enter or leave the system
Explanation:
The closed circulatory system are made up of blood vessels called arteries from the heart that branch into small units called capillaries but eventually join up with other blood vessels called veins that are connected to the heart. So, blood is always confined to circulate within the blood vessels and the heart as there are no holes for blood to enter or leave the system
Thus, the human cardiovascular system is considered closed